Miniature packaged actively mode-locked semiconductor laser with tunable 20 ps transform limited pulses

Abstract
Miniature, fibre tailed and packaged, wavelength tunable actively mode locked semiconductor lasers have been developed for use as sources of ∼ 20 ps transform limited pulses. Continuous stable operation with <40 nm tuning ranges centred either at 1.3 μm or 1.55 μm have been demonstrated. The package has an adjustable cavity length enabling the repetition frequency to be selected between 2 GHz and 8 GHz. Mean output powers in the monomode fibre tail are in the range −10 dBm to −5 dBm.

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